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Quinn
2025-03-21 17:35:54 +01:00
parent 19a223dd29
commit afdc7de496
17 changed files with 426 additions and 426 deletions
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36
src/game/gametime.h
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@@ -3,35 +3,35 @@
#include <time.h>
typedef struct {
struct timespec ts; // stores the time at the current update
double sec; // stores the current time in seconds
float scale; // multiplier for the time calculation, default value is 1.0
float delta; // the time that it took between updates
struct timespec ts; // stores the time at the current update
double sec; // stores the current time in seconds
float scale; // multiplier for the time calculation, default value is 1.0
float delta; // the time that it took between updates
} gametime;
// initializes the gametime struct
static inline gametime gametime_new(void) {
struct timespec ts;
timespec_get(&ts, TIME_UTC);
struct timespec ts;
timespec_get(&ts, TIME_UTC);
return (gametime){
ts,
0.0,
1.0F,
0.0F,
};
return (gametime){
ts,
0.0,
1.0F,
0.0F,
};
}
// updates the internal variables
static inline void gametime_update(gametime* gt) {
struct timespec ts;
timespec_get(&ts, TIME_UTC);
gt->sec = (double)ts.tv_nsec * 1e-9; // calculate the current time in seconds
gt->delta = ((double)(ts.tv_nsec - gt->ts.tv_nsec) * 1e-9) * gt->scale; // calculate how much time has passed between this and last frame
gt->ts = ts; // update the game's timespec
struct timespec ts;
timespec_get(&ts, TIME_UTC);
gt->sec = (double)ts.tv_nsec * 1e-9; // calculate the current time in seconds
gt->delta = ((double)(ts.tv_nsec - gt->ts.tv_nsec) * 1e-9) * gt->scale; // calculate how much time has passed between this and last frame
gt->ts = ts; // update the game's timespec
}
// gets how many times the game updates per second
static inline float gametime_get_ups(gametime* gt) {
return 1.0F / gt->delta;
return 1.0F / gt->delta;
}